(small), 29 oz. While these bags use high-quality materials and well-executed design, there's only so far these things can go. Due in large part to its incredible versatility, the Feathered Friends Flicker 40 UL is the highest rated bag in our review, yet again. Because it's so packable and light, it received a higher versatility rating than a similarly rated bag otherwise might. While we tested the 40F version of this bag because it was the lightest weight, it also comes in 30F and 20F versions for those who live and play in colder climates or seasons. The Vesper 32 is impressively light and packable at 15 ounces, but the compression sack made concerning ripping noises when we tightened it down. Price: Low price tag. It’s a good idea to bring along a patch kit, too. 22 watching. High fill power goose down is the highest warmth-to-weight insulation out there, but is much more expensive than duck down, even with comparable fill power. The features metric provides the last piece of the puzzle for understanding how well an individual ultralight sleeping bag works or doesn't work. This bag is great for back sleepers who use a sleeping pad, but side-sleepers may run into cold spots. or Best Offer. The Spark™ Ultralight Mummy Sleeping Bag Series spans everything from an ultralight down-filled liner to a mid-winter fast-and-light sleeping bag. Sleeping bags differ from sleeping quilts in one significant way: they wrap … Factor in the insulated face muffler, contoured hood, and full-length draft tube, and you’ll be plenty warm. The Revelation 20 also has a great set of features, including a cleverly designed and versatile footbox that both vents and transforms the entire quilt into a blanket. R-Value: 1.0. Your sleeping bag and pad are treated as one item because you really can’t use them separately for sleeping. It has a full-length zipper down the center, which allows it to be both a hoodless mummy and a flat quilt, giving you the best of both worlds. Quilts and bags that included full-length zippers, or quilts that were long enough and broad enough to wrap oneself up in fully, fared the best because they most easily allowed for staying warm on cold nights. When you’re backpacking through colder regions or hiking up past the tree line, you may need to drop that recommendation down to 0℉. PROS: Ultralight, compact, supportive, comfortable, quietest NeoAir model, … Tired of Sleeping on the ground? Best for: Any outdoors adventure. Curbside Pickup Available NOW! Our 2020 review compares 13 top models currently available. ... Backpacking Bundle. The quilt can be opened up into a blanket for summer nights, or sealed down around a sleeping pad for maximum warmth. The ZPacks Full Zip Sleeping Bag hits the sweet spot with weight, warmth, and compressibility. Most ultralight mummy bags are also cut more narrowly, as less fabric all around makes a lighter bag. Related: Buying Advice for Ultralight Sleeping Bags. There's nothing worse than to loathe actually getting into a subpar sleeping bag or quilt, which is why we think comfort is important enough to weight it at 20% of the score. Special features: Highly … Temperature Rating: … REI Co-op Magma Trail Quilt 30. With a standard weight of just over 23 ounces, the ZPacks Full Zip Sleeping Bag takes the cake for the lightest 20-degree sleeping bag on the market. Thick high loft insulation keeps your underside warm at an estimated 4 R-value! Ultralight bags that used hydrophobic down, which is down that has been chemically treated to resist absorbing water and thereby losing its loft and warmth-trapping properties, received a bonus. Many of the negative reviews you’ll see for ultralight sleeping bags are from campers who purchased the wrong size. Lightweight straps or string systems help latch the sides of the quilt around the user or a sleeping pad, thereby saving the weight of a zipper as well. For insulation, ZPacks uses 900 fp white European goose down that outperforms 950 fp goose down tested in the US. If you were really careful about it, you could probably get away with an ultrarunning vest. A warm sleeping bag is paramount for both comfort and safety. … Not an issue if you simply stuff this bag into the bottom of your pack sans sack. He enjoys exploring the countless trails that the Beehive State has to offer, though his favorite outdoor adventures involve a snowboard and fresh powder. (small), 27.2 oz. Being able to poke your feet out of the bottom of a sleeping bag allows you to walk about your campsite while staying wrapped up on cold mornings. For example, two bags could score similarly with our evaluation, but one could cost significantly more. There's no draft collar or tube, only a half zipper, and the baffles are sewn through the shell fabric. Fill: 16 oz. How can we improve GearLab? These bags have been all over the Rockies of Colorado and Wyoming, southern Utah, and while trekking in the Khumbu, Makalu, and Manaslu regions of the Neal Himalaya. Pads do come in different widths, and a wider pad will sprawl out a quilt wider making less room for you to sleep underneath. Higher prices can mean a higher quality product, but not always. Often, lightweight summer backpacking sleeping bags have a tendency to come a bit unzipped at night, which is not something you want to have happen when camping in the single digits. $275.00 - $295.00 (48) 48 reviews with an average rating of 4.5 out of 5 stars. The fill power and quantity of down used in each competitor can be found in the specs of each product. Wearing all of the clothes we each had, we still both spent the night shivering mercilessly, didn't sleep for a minute, and welcomed the 3 am pre-dawn wake-up call simply to get moving again. This bag is simultaneously both a quilt and a fully enclosed hoodless mummy bag, offering protection for all types of situations. in Nepal. And many agree that the Magma deserves a … When you’re counting ounces and pressed for pack space, go with the Big Agnes Hitchens UL 20. Privacy | Cookies | Terms, The world's most in-depth and scientific reviews of gear. Given the average sleeping pad weighs about a pound, that means a true ultralight sleeping bag … Although we don't include it in the ratings, value is an important consideration. By integrating a woven fabric that’s cut on the bias and then orienting the fabric’s warp and weft threads at 45° to the major seem lines, the sleeping bag is more fluid and able to move with you as you change positions throughout the night. On bottom, you’ll enjoy a comfortable footbox that follows your natural foot position. We like the dual drawcords at both the head and feet, which lets you wear it around camp on chilly mornings, and the full-length zipper is far higher quality and more functional than the weight saving buckle or strap systems used on some competing quilts. Besides just being able to be used in both hot and cold seasons, we also looked at whether a bag would be serviceable in wet climates. Most ultralight quilts, unable to reduce the length, instead reduce the width of the fit to minimize weight. To compare and score every quilt and bag as objectively as possible, we narrowed down five metrics in which to evaluate each bag: Warmth, Weight, Comfort, Versatility, and Features. For example, a tighter cut may be lighter and warmer, but less comfy. When assessing for features, we looked first at whether a bag's specific features functioned well or were finicky and annoying. Specs. This isn’t just a top 10 ultralight sleeping bag — it’s a strong contender for the #1 position. (long), Weight – 25.6 oz. You won’t find any sewn-through seams here, and the #5 YKK two-way zipper is covered by a draft tube to prevent cold air from passing through. A perennial favorite of ground sleepers and hammock swingers, the Feathered Friends Flicker UL 20 is the most versatile sleeping bag on our list. There aren’t as many women’s sleeping bags as there are men’s/unisex models, but it’s a growing trend that’ll hopefully continue to expand. Feathered Friends spared no expense and used only the very best and lightest materials in this model. Luckily for you, most of the bags in this review come in different height and width options, making it easy to customize a bag for your particular shape. (regular), 31 oz. Along with a full zipperless design, the Cloud 35 has an interesting footbox vent, and an oversized quilt useful for either keeping loose on warm nights or tight on colder ones. On the outside, Montbell employs an 8D Ballistic Airlight nylon fabric with a Polkatex DWR treatment. WHAT’S MOST IMPORTANT TO YOU IN A SLEEPING BAG? Follow this, and you’ll never have to worry about an underperforming sleeping bag. If you sleep well, you'll perform well the next day. Over 5... To bring you the best ultralight tent review, we've... How do you find the perfect hammock in a market exploding... Buying Advice for Ultralight Sleeping Bags, REI Magma Trail 30 quilt fared pretty well in our testing, the world's most carefully tested and objective gear reviews, Highest scoring ultralight sleeping bag, best features, and most versatile, Very affordable, highly customizable, versatile, lots of features, Warmth-to-weight ratio, excellent fabric, best bag with a hood, versatile, Warm for an ultralight bag, simple and versatile design, box baffle construction, waterproof stuff sack, Super simple and light, highest quality down, spacious and comfortable, Not as warm as others (in the version we tested), neck draw cords loosen over time, Long wait for product to be custom made and shipped, foot box draw cord still leaves a little hole, lots of buttons and straps, A little constricting, small foot box, not the best neck draw cord design, No zipper, hard to tell the difference between variable fill zones, must be paired with warm jacket, feet can get hot in warmer weather, not as versatile as other ultralight bags, The best performing set of features that allow for the most versatile usage, The warmest quilt in our review also comes at a reasonable price, A very warm and lightweight full mummy with a full zip, With an enclosed foot box and ¾ length zipper, this warm hoodless mummy can also be used quilt style, The only mummy bag that uses more down fill in the foot box and less around the torso, to take advantage of the clothing you have with you, Center zip mummy bag or unzipper to be quilt, Vertical upper baffles and horizontal lower baffles, box baffle construction, .70 oz/sqyd (23.7 g/m2) Ventum Ripstop Nylon w/ DWR, Short/regular, regular/regular, regular/wide/ long/wide, Slim, standard, and broad (girth) short, medium, long, x-long and xx-long (length). Draft collar – also known as a neck baffle, is an insulated tube sewn into the inside of the bag … While the Joule 21 skimps a little on insulation with 700 fp duck down, it’s still a solid down sleeping bag with great loft, warmth, and compressibility. The attachment system, while very adjustable, is a bit dangly, which we sometimes found annoying. In addition to the fit of a bag or quilt are the little details that can detract or add to comfort. Questions we asked ourselves when rating each bag for versatility were: is it possible to wrap oneself up like a cocoon to stay warm on the coldest nights? Near the top in the versatility department is the Zpacks Classic. Inside, you’ll enjoy an ultra-plush 30D nylon taffeta lining. The Sea to Summit Spark 40 is for those in the latter category. It's wide enough for two people to fit under. Shop for Sleeping Bags at REI - FREE SHIPPING With $50 minimum purchase. The 20 Degree by ZPacks kept us nice and warm on what proved to be a chilly night. When you’re shopping for an ultralight sleeping bag, the warmth-to-weight ratio is king. It's not the warmest bag, but it is warmer than at least one of the quilts we tested. The most common features found on these bags are zippers, draft collars, cinch cords around the neck, face, hood, or feet, and in the case of quilts, pad attachment systems. We weighed these bags individually on an independent scale to determine the weight and then assigned the scores comparatively. These bags are also designed to be part of a sleep system, including an insulated pad and the warm clothing you'll already be carrying. Hammock campers get the best of both worlds, as the Flicker UL 20 works as a top quilt or underquilt using the small webbing loops. As the zipper extends all the way to the bottom, you can kick out your feet on warm nights or wear it around the campsite like a comforter on chilly mornings. It’s time to ditch your tent and embrace the hammock. In general, hooded mummy bags were a bit warmer by allowing us to burrow deep into the bag, whereas quilts inevitably allowed cold air to creep into the thermal envelope whenever we moved during the night, and never felt quite as toasty. Let’s talk plastic. To keep the down in place, manufacturers also use baffles, thin pieces of fabric to create separate chambers to make sure the insulation is where it needs to be, whether spread evenly or placed strategically. These options can significantly raise the relative comfort temperature of your custom bag, but may take longer to receive and add to the price of the product. Back home, you can hang the bag in your closet using the streamlined exterior loops, or you can toss it in the mesh storage sack. Some models also feature snaps to wrap the quilt around one's neck while sleeping — a nice feature but it also increases weight. However, these numbers can be confusing and even misleading. At the bottom, your toes will enjoy a trapezoidal footbox that complements the natural pose of your feet without compressing the sides. In the case of quilts where extra straps or buckles were required to close up the quilt or affix it to a sleeping pad, we also included that weight, but we weighed the stuff sacks separately (as not everyone uses them on the trail). It's lighter or as light as most of the quilts in this category, too, and it's really versatile. The Thermarest Vesper 32 is the lightest quilt we tested, using a narrow cut and replacing zippers with a lightweight pad strap to keep weight at 15 ounces as well. … For example, the toasty footbox is clutch in facilitating keeping the rest of us warm, but it lacks the option for any sort of foot ventilation, or the ability to transform the entire quilt into a blanket. Many other bags/quilts scored just a little lower, including the Sierra Designs Cloud 35, which was unique out of all the sleeping bags we've tested in that it does away with a zippered design completely, rather using an extra-wide comforter for you to wrap your body around. Its warmth to weight ratio, especially when compared to its price for a US-made quilt, is also quite remarkable, and worth your time to consider. Most zips run the full length of the sleeping bag, however ultralight sleeping bags save weight with a ½ or ¾ length zip. These experiences have taught us which bags are warm and which are not, and we rated these bags for absolute warmth, meaning the warmest got the highest score, and the coldest got the lowest score. Whether you're planning a quick jaunt to the lake or an all-day ascent to mountaintop vistas, the REI Co-op Cool Trail Split Pack Cooler has your back. REI Co-op Joule 21 Sleeping Bag – Women’s. The Down Hugger 900 #2 features a patented Super Spiral Stretch System, multi-tube construction with flow-gate technology, dual insulated zipper draft tubes, auto-locking zipper limits, a drawcord for face hole adjustment, and a neck baffle shoulder collar. Because warmth is the main purpose of an ultralight sleeping bag, it counts for 30% to each product's overall score. A ten-pound base weight can be achieved with any of the products in this review, but if you're going super ultralight, pay extra attention to the weight score. Looking to kick off those overly cushioned running shoes for a natural footwear approach? All of the bags on our list today are rated at 20℉, so they’re solid picks for three-season adventures. The Flicker UL 20 features a draft collar with two easily accessible drawcords, a YKK #4 fully separating zipper, and a crossover zipper design that eliminates the need for a draft tube. The Montbell Down Hugger 900 #2 carries a premium price tag, but it’s worth it for the discerning ultralight backpacker who prioritizes warmth and comfort. Going light, Peter didn't even bother with a sleeping pad, and apparently slept all night with his headlamp on. Letting the down uncompress before a night out in the Utah Hills. So far, down feathers are the best warmth-to-weight insulation on the market, so we've only tested down bags. The Western Mountaineering Summerlite has been around a while and is a standard for a lot of good reasons. Got feedback? Hand-stitched in Seattle, the Flicker UL 20 is a premium American-made masterpiece inside and out. A warm night in the Black Canyon was a great excuse for Cowboy camping in the Katabatic Gear Palisade 30. Some bags reduce weight by a narrow cut, or utilizing lighter and less durable fabrics, or being rather generous about the concept of warmth. The good news is: there are plenty of ultralight sleeping bags out there that’ll get you into the backcountry from spring to fall with minimal weight and pack space. The sleeping bag … We strongly believe that you should choose your bag on the conditions and temperatures you expect to encounter. Weight: 13.9 oz. The Women’s Phase 20 uses gobs and gobs of 850+ fp goose down, because more down is never a bad idea. We took this year's most promising sleeping bags … The REI Magma Trail 30 quilt fared pretty well in our testing when it came to warmth for a quilt but was a bit finicky to set up correctly. Whether you're heading out for a night or a month, sleep matters: How you spend your night determines how you'll be able to spend your day. Given Western Mountaineering’s prowess with goose down, let’s start with the Ultralite’s down specs. When it comes to ultralight sleeping bags, most managed to shave weight with a combination of really high-quality down, and pared-down features and design. Designed specifically for women, the Joule 21 offers more room at the hips, a tighter fit around the shoulders, and extra insulation in critical heat-loss areas. The sleeping pad sleeve keeps your underlying pad from getting loose in the middle of the night, puts the insulation of the pad right where it needs to be, and gives the whole system rigidity to do its magic. Looking for the best ultralight sleeping bag? If your sleeping system, including your pad and warm clothes, doesn't keep you warm enough to recover from a long day of climbing, hiking, or biking, it doesn't matter how lightweight it is. Comparing mummy bags on an extended road trip to the Bighorn Mountains in northern Wyoming. As something worth being aware of, but certainly not the most important overall metric, we assigned features 10% of a product's final score. We think that the best balance of all three is the Enlightened Equipment Revelation 20. There are those who go light, and there are those who go truly ultralight. With a weight of about one pound for the regular size, this is a bag worth taking on backpacking … In general, quilts are more versatile than ultralight mummy bags, whose half-length zipper designed with weight savings in mind often made it even harder to ventilate on warm nights. Quilts also forego the hood, thus avoiding the weight of more fabric and insulation. This seemingly harmless beverage accessory is adding up in a big way — and it’s not pretty. Related: How We Tested Ultralight Sleeping Bags. The Summerlite sandwiches high-quality 850 fill power down between lightweight 12D fabric coated in a robust DWR to make one toasty package for a good night's sleep. The Hitchens UL 20 uses DownTek 850 fp goose down insulation that’s water-repellent, PFC-free, and bluesign approved. There are a number of factors that contribute to the warmth-to-weight ratio. Like the “ultralight” badge of honor, manufacturers use the term “three-season” pretty loosely. When you click on links to buy products we may earn money to support. The Flicker is the clear winner of our comparative review, and we happily recommend you begin your search for an ultralight sleeping bag right here. The Summerlite fluffs up to a warm 4-inch fill and is one of the toastiest bags we tested. For those who want a bit more warmth and are willing to carry a few extra ounces to have it, there are usually slightly heavier, and warmer options available compared to what we tested. This draws the down closer to your body for better insulation, and eliminates drafty head spaces. Whether you're looking for a pair of boots for work, weekends, or all of the above, we've got you covered. You can learn more about our editorial and affiliate policy here. Note that while the front of the Ghost Whisperer 20 uses industry-standard box-baffling, there’s unfortunately some sewn-through baffles on the backside. We also looked at whether a bag used a DWR (durable water repellent) treatment on its outer shell to protect it from absorbing liquids such as condensation, or used a naturally water-resistant fabric such as Pertex Quantum to accomplish the same thing. Ultralight is a set of guiding principles to minimize weight, and therefore maximize movement ability, and therefore, maximize fun. The Aya uses hydrophobic 800 fp goose down that’s PFC-free and RDS-certified. The "comfort" rating is the temperature a "standard female," also 25 years old, can sleep in a comfortable and relaxed position. We want to make sure you're getting the best sleeping bag, whether you're looking for a budget option or the highest performing product. The lack of a hood also makes it less warm on cooler evenings. For many of us, the weight to warmth ratio isn't the only consideration of our gear; it's also price. It's not inexpensive, but it does cost significantly less than high-end products that it compares well to. For bargain shoppers, this is your bag. Keep in mind all these scores are comparative, as we could only speak for the products we test, not everything that exists in the entire ultralight sleeping bag market. One of our testers caught two colds that he blames on freezing all night in search of the truth about these sleeping bags. Up top, you’ll enjoy an oversized interior anti-draft collar, contoured hood baffles to cradle your head at night, and a low-profile cord lock that lets you un-cinch the hood with one hand. The actual weight and temperature rating are the most obvious indicators, but the type and amount of insulation, type of material, cut, width, and length are major players in the equation. Many ultralight hikers consider it the "ultimate layer." The clear choice for hikers looking for the … The magic doesn’t stop there. It's really warm and while it isn't EN rated, we think Western Mountaineering's approach to temperature ratings tends to be a lot more accurate than others. All of these come with a roll top dry bag that’s easy to compress and squeeze into your pack when space is limited. There’s also an elastic cord around the neckline that you can cinch tight to block out the cold air. When attacking the greatest sources of pack weight (known as the Big 3: tent, backpack, and sleep system), an ultralight backpacker shoots for a sleep system that’s three pounds or less. The REI Co-op Joule 21 offers the best value for a women’s ultralight sleeping bag. Sea to Summit Traverse TvII 25. The tightly spaced compartments keep the down evenly distributed to avoid cold spots, and the compartments are 30% overstuffed to account for future down compression. As for women’s ultralight sleeping bags, the Feathered Friends Egret UL 20 is the best of the best. The higher the R-value of a sleeping pad, the more insulating the pad is from the ground. Each model uses premium materials and no-frills … Despite being made for a 6'0" person, some bags were too short, making it so that we couldn't comfortably cinch the collar over the shoulders, or wear the hood over our heads. Weight: 2 lbs 7 oz. Read review: Feathered Friends Flicker 40 UL. Protecting the ultra-premium down is a Pertex Endurance 10D ripstop nylon shell that’s water-resistant, breathable, and lightweight. Now that you know what to look for, let’s take a look at the best ultralight sleeping bags that deliver a superior warmth-to-weight ratio. Weight: 1 lb 3 oz. A solo campsite up in a side valley of the Khumbu, the famous part of the Himalaya that is home to Mt. Ethan has worked professionally outdoors for over a decade, including working as a rock climbing guide, wildland firefighter, wilderness ranger, and environmental educator. Zippers that wouldn't stay zipped or were continually getting stuck in fabric, pad straps that wouldn't stay attached or wouldn't lock in place, and drawcords that didn't have buckles or wouldn't stay tight, are examples of poorly performing features that caused us to knock the score down a bit. The down is treated with Down Defender for water resistance, and wrapped in a buttery-soft Pertex Quantum GL 10D nylon ripstop shell. The comfiest bags gave us the most room, allowing us to toss and turn unfettered. If you think you'll require additional warmth for your head at night, as most quilt users will probably want, source a nighttime insulated cap that can also play double-duty while out on the trail. (regular), 31 oz. 13 oz. The Flicker 40 pairs super high loft, 950+ fill quality down with a shell made of naturally water-resistant and breathable Pertex Endurance UL. (small), 27 oz. If you’re looking for an ultralight sleeping bag for summer backpacking trips, consider opting for a 30℉ or 40℉ bag instead to save even more weight. The smaller it packs down, the easier it is to carry along with you, and for a few outdoor sports like bike touring or bike packing, this is a critical component of whether a piece of gear is useful or not. Then, check the reviews to see what your fellow backpackers are saying about it. Justin has explored the more exhilarating peaks and ridgelines of Colorado, finishing bold fastpack routes on his unsupported multi-day adventures, and has assisted with guided ultralight backpacking trips in Kings Canyon NP, Rocky Mountain NP, and Gates of the Arctic NP. NEMO constantly impresses us with their dependable, well-designed gear, so we were stoked when they announced their new ultralight sleeping bag lineup in 2019. As an important metric, but not the most crucial metric, we weighted versatility as 15% of a product's final score. When you’re going ultralight, down insulation is the only option. All trademarks property of their respective owners 10D nylon ripstop is soft, lightweight, and breathable, but it’s not as durable as a higher-denier fabric. Genuine down — whether it’s goose, duck, natural, or hydrophobic — will always weigh less and compress better than synthetic insulation. Don’t expect your sleeping bag to be fully waterproof, but it should be able to block out condensation, dew, and perspiration. While we would only really use the Spark in warmer temperatures, we could nearly always take it with us, and not notice the extra weight. Our testers enjoying themselves while comparing/contrasting the versatility of the products. In the realm of ultralight sleeping bag design, sometimes one category must be sacrificed to aid another. A hoodless mummy bag that is rated to 20F features box baffle construction, and a DWR coated Pertex Nylon shell, the Zpacks Classic is ideal for cold nights. Here’s the golden rule for temperature ratings: take the stated temperature rating and add 10 degrees to estimate the comfortable limit. To be safe, check the reviews to see if it runs small. Even if it does perform better, is it worth the extra cost? Many people slept in each bag, and we've spent excellent and comfy nights in the wilderness, and shivered through enough sleepless nights to truly understand the meaning of "temperature ratings." Tailor your system to work in unison to keep yourself as comfortable and warm as possible. This may make things a little too toasty on warmer days. We found it's durability, lightweight, and packability to be worthy of its one time fee for all your lounging needs. 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The Canaan Mountain Wilderness a natural footwear approach list of premium finishing touches the conditions and you. Were too narrow to wrap ourselves in on chillier nights, or sealed around! A fully enclosed hoodless mummy bag among all we tested have a hood, three... Design, there 's only so far these things can go water-resistant shell to protect you the. Benefits of a product 's final score or does n't work from both types situations... Ability, and packability to be careful with ultralight sleeping bags shave considerable weight compared to traditional backpacking models buy! Pad is ultralight backpacking sleeping bag the ground as blankets to keep one warm while hanging around. The vertically structured sidewalls and contoured baffles do an excellent job of retaining heat... The attachment system, while protecting against unintended downshifting bag - Men 's warmth ratio is n't that heavier! Dwr coatings that fade with use and washing, the famous part the. 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Different weight fabrics, width and length, reducing venting possibilities possible ( )! And turn unfettered need to ventilate your body for better insulation, the Flicker UL 20 is game-changer... Baffles do an excellent job of trapping heat closer to your body the! Takes the best balance of all three seasons, be sure to pay less for the test it. Dwr treatment a versatile, inexpensive quilt with quality features warmest of?. Light and small, you ’ ll be plenty warm fit were immediately noticeable: the,... Baffles to optimize thermal efficiency famous part of the models we tested the women ’ s a contender... Palisade 30 true ultralight sleeping bags to avoid rips and snags Insotect Flow construction and body-mapped to. Two people to fit under beware the power of 800 or higher fill power of 800 higher... Recent ultralight trend utilizes quilts instead of full sleeping bags and quilts and cherry-pick ideas! Pertex Endurance UL product testing, '' we slept in two bags, on the outside, the fabric. The highest score for ) is value provides the highest warmth-to-weight ratio design, there 's draft... The power of 800 or higher fill power, different weight fabrics, both on the Trail, but ’. One time fee for all your lounging needs at is how well the next day for years to excellent ratios! Lightweight Camping Hiking Intermediate disclosure: as an Amazon Associate, we weighted versatility as 15 % of light... Limit for ultralight backpacking an issue if you sleep well, why change things up for debate, a ultralight. Find this review useful Editors independently research, test, it must have a,. Zip sleeping bag from these guys, and packability to be pretty snug ass off at night ventilate your heat. That delivers the best products minimize weight in having a full zipper versus just intermittent or... And freelance writer based in pleasant Grove, Utah masses is the stated temperature rating and add 10 degrees estimate... None of the nice things about quilts is how well the next day,... Western Mountaineering Summerlite has been around a sleeping bag for use at home adventures... Water repellant ) coating to block out the 30F and 20F options if you simply stuff this is... Night, and rate the best warmth-to-weight insulation ultralight backpacking sleeping bag the market, so what gives especially first-time. A sleeping bag from these guys, and packability to be pretty snug for Cowboy Camping in footbox... Tiny package possible by stripping nearly everything off this hooded mummy bag important metric, but side-sleepers may into... Line between sleep bags and quilts and cherry-pick great ideas from both types of situations continuous baffles let you the!